Vul de getallen verder in, met sprongen van 2
Telrij
| 1. | 3 | < | < | 7 | < | < | |||
| 2. | 10 | < | 12 | < | < | < | |||
| 3. | < | < | < | 21 | < | 23 | |||
| 4. | < | 6 | < | < | 10 | < | |||
| 5. | < | < | < | 19 | < | 21 | |||
| 6. | < | 19 | < | < | < | 25 | |||
| 7. | < | < | < | 19 | < | 21 | |||
| 8. | < | < | < | 15 | < | 17 | |||
| 9. | < | 20 | < | < | < | 26 | |||
| 10. | 11 | < | 13 | < | < | < |